La fuerza y el movimiento (Forces and Motion)

The US president is the face of the United States to the rest of the world. However, he or she doesn’t have unlimited power within the country. The president has certain powers given by the Constitution, including the ability to make treaties, appoint some important government officials, and veto laws. Readers learn the many duties of the president in simple, clear language appropriate for both younger readers and older readers looking for a succinct review of the topic. Fact boxes supplement the main content with important details about checks and balances, amendments, and more that affect...

Kids often play with magnets, yet they don't learn how these playthings work for many years. Practical knowledge from their play can help them learn more about magnetism, and so can this book. Specially written for those with reading challenges or readers looking for a review, the main text covers important vocabulary, magnetic fields, and a discussion of why metals and magnets come together. Diagrams and succinct fact boxes offer additional ways to learn each concept and explain some ideas in greater detail.

Hay momentos en los que nos vemos abocados a tomar una decisión. Momentos en los que elegimos, de entre todas las opciones que la vida nos ofrece, un camino y no otro. Estas decisiones, que nos ocupan a menudo tan sólo unos segundos, determinan en realidad el resto de nuestra vida. Pueden cambiarlo todo en un abrir y cerrar de ojos. Esta novela es el relato de uno de esos momentos: de Berlín en 1984, de un momento que lo cambió todo y de las consecuencias y las huellas que dejó para siempre en los corazones de dos amantes. Hasta que no te descubras de madrugada pasando una página tras...

Descubre todo lo que necesitas saber para manipular y programar bloques de comando. Encontrarás cientos de trucos y proyectos para dar forma a tus propios mapas personalizados y crear minijuegos: cómo mejorar tus armas con encantamientos, personalizar a los aldeanos, modifi car los atributos de distintas criaturas con valores de datos, crear un espectáculo pirotécnico o combinar bloques de comando para hacer programas. Un libro repleto de consejos de expertos, trucos prácticos y más de un centenar de pantallazos.

Discusses the difference between secrets that are fun to keep and those that make people unhappy, and encourages youngsters to confide in their parents or another trusted adult such painful matters as bullying or improper touching.

What does the sun do for us other than give us light during the day? It gives us warmth, energy, and so much more! Learn all about the sun in this Spanish-translated book.